<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>user Login</title>
</head>
<body>
<div align="center">
  <form action="login" method="post" >
   用户名： <input type="text" name="username" /><br />
   密  码：<input type="password" name="password"/><br />
   <input type="submit" value="登录" />
  </form>
</div>


</body>
</html>
